(PECL pecl_http >= 0.21.0)
ob_deflatehandler — Deflate output handler
$data
, int $mode
)用于 ob_start().
Note: 此输出处理器仅可使用一次。
The deflate output buffer handler can only be used once.
It conflicts with ob_gzhandler() and zlib.output_compression as well and should not be used after mbstring extension's mb_output_handler() and session extension's URL-Rewriter (AKA session.use_trans_sid).